JPS4825847A - - Google Patents

Info

Publication number
JPS4825847A
JPS4825847A JP46059989A JP5998971A JPS4825847A JP S4825847 A JPS4825847 A JP S4825847A JP 46059989 A JP46059989 A JP 46059989A JP 5998971 A JP5998971 A JP 5998971A JP S4825847 A JPS4825847 A JP S4825847A
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP46059989A
Other languages
Japanese (ja)
Other versions
JPS5332491B2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CA117,356A priority Critical patent/CA985367A/en
Priority to GB3194971A priority patent/GB1411081A/en
Priority to DE19712134920 priority patent/DE2134920B2/en
Priority to SE09933/71A priority patent/SE365663B/xx
Application filed filed Critical
Priority to JP5998971A priority patent/JPS5332491B2/ja
Priority to FR7129523A priority patent/FR2148377B1/fr
Publication of JPS4825847A publication Critical patent/JPS4825847A/ja
Publication of JPS5332491B2 publication Critical patent/JPS5332491B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/268—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for dc systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/44—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the rate of change of electrical quantities
    • H02H3/445—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the rate of change of electrical quantities of DC quantities
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/46—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to frequency deviations

Landscapes

  • Direct Current Feeding And Distribution (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)
  • Locating Faults (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP5998971A 1971-07-05 1971-08-10 Expired JPS5332491B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA117,356A CA985367A (en) 1971-07-05 1971-07-05 Method for the protection of a.d.c. power transmission system and apparatus for its realization
GB3194971A GB1411081A (en) 1971-07-05 1971-07-07 Method for the proteciton of a dc power transmission system and apparatus for its realization
DE19712134920 DE2134920B2 (en) 1971-07-05 1971-07-13 DC power transmission system protection appts. - enhance sensitivity and speed of response to faults on power line
SE09933/71A SE365663B (en) 1971-07-05 1971-08-03
JP5998971A JPS5332491B2 (en) 1971-07-05 1971-08-10
FR7129523A FR2148377B1 (en) 1971-07-05 1971-08-12

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CA117,356A CA985367A (en) 1971-07-05 1971-07-05 Method for the protection of a.d.c. power transmission system and apparatus for its realization
GB3194971A GB1411081A (en) 1971-07-05 1971-07-07 Method for the proteciton of a dc power transmission system and apparatus for its realization
DE19712134920 DE2134920B2 (en) 1971-07-05 1971-07-13 DC power transmission system protection appts. - enhance sensitivity and speed of response to faults on power line
SE09933/71A SE365663B (en) 1971-07-05 1971-08-03
JP5998971A JPS5332491B2 (en) 1971-07-05 1971-08-10
FR7129523A FR2148377B1 (en) 1971-07-05 1971-08-12

Publications (2)

Publication Number Publication Date
JPS4825847A true JPS4825847A (en) 1973-04-04
JPS5332491B2 JPS5332491B2 (en) 1978-09-08

Family

ID=69645864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5998971A Expired JPS5332491B2 (en) 1971-07-05 1971-08-10

Country Status (6)

Country Link
JP (1) JPS5332491B2 (en)
CA (1) CA985367A (en)
DE (1) DE2134920B2 (en)
FR (1) FR2148377B1 (en)
GB (1) GB1411081A (en)
SE (1) SE365663B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54146815A (en) * 1978-05-10 1979-11-16 Hitachi Chemical Co Ltd Production of metallic graphite brushes

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE383590B (en) * 1974-07-19 1976-03-15 Asea Ab RIGHTER STATION FOR HOGSPEND DC DIRECTION
JPS61120419U (en) * 1985-01-11 1986-07-29
JPH0440817Y2 (en) * 1985-03-04 1992-09-25
JPH0537417U (en) * 1991-10-16 1993-05-21 榮製機株式会社 Gold saw band induction device for material cutting machine
CN104246522B (en) * 2012-02-28 2016-04-06 Abb技术有限公司 For detecting the method and apparatus of the fault in HVDC transmission system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54146815A (en) * 1978-05-10 1979-11-16 Hitachi Chemical Co Ltd Production of metallic graphite brushes

Also Published As

Publication number Publication date
DE2134920A1 (en) 1973-01-25
GB1411081A (en) 1975-10-22
CA985367A (en) 1976-03-09
DE2134920B2 (en) 1976-04-15
FR2148377A1 (en) 1973-03-23
JPS5332491B2 (en) 1978-09-08
FR2148377B1 (en) 1975-07-11
SE365663B (en) 1974-03-25

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